Physics

Problem

For a pair of coupled coils, the current in the primary varies with time as

I_p = 4t\,\text{A}

(

t

in seconds). If their mutual inductance is

0.50\,\text{H}

, find the magnitude of the emf induced in the secondary coil. a)

8\,\text{V}

2\,\text{V}

4\,\text{V}

1\,\text{V}